(1) The date on which any payment shall be considered to have been made to the Office shall be the date on which the amount of the payment or of the transfer is actually entered in a bank account held by the Office.
(2) Where the President of the Office allows, in accordance with the provisions of Article 5, paragraph 2 RFees, other methods of paying fees than those set out in Article 5, paragraph 1 RFees, he shall also lay down the date on which such payments shall be considered to have been made.
(3) Where, under the provisions of paragraphs 1 and 2, payment of a fee is not considered to have been made until after the expiry of the period in which it should have been made, it shall be considered that this period has been observed if evidence is provided to the Office that the person who made the payment fulfilled one of the following conditions in a Contracting State within the period within which the payment should have been made:
(4) The Office may request the person who made the payment to produce evidence as to the date on which a condition according to paragraph 3 was fulfilled within a period to be specified by it. If he fails to comply with this request or if the evidence is insufficient, the period for payment shall be considered not to have been observed.